US3269113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor having solid fuel insulating means
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1962-12-18
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Granted: 1966-08-30
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 John P Crews
- 👤 Martin W Shookhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:01
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/97
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
MEANS FOR INSULATING SOLID PROPELLANT GRAIN IN A ROCKET ENGINE CHAMBER HAVING FORWARD INTERMEDIATE AND AFT PORTIONS TO PROVIDE MAXIMUM HEAT REDUCTION AND AVOID INCREASED BURNING AREA DURING MOTOR IGNITION COMPRISING LINING MEANS LINING THE INTERMEDIATE PORTION OF THE CHAMBER, SAID LINING MEANS BEING BONDED TO THE CHAMBER AND TO THE PROPELLANT, FIRST FLEXIBLE INSULATION MEANS BONDED TO THE CHAMBER IN THE FORWARD PORTION THEREOF, FIRST BOOT MEANS BONDED TO THE FIRST INSULATION MEANS, SECOND FLEXIBLE INSULATION MEANS BONDED TO THE AFT PORTION OF THE CHAMBER, AND SECOND BOOT MEANS BONDED TO THE SECOND INSULA-
Claim 2
Dependent Claim
95 words
MEANS FOR INSULATING SOLID PROPELLANT GRAIN IN A ROCKET ENGINE CHAMBER HAVING FORWARD INTERMEDIATE AND AFT PORTIONS TO PROVIDE MAXIMUM HEAT REDUCTION AND AVOID INCREASED BURNING AREA DURING MOTOR IGNITION COMPRISING LINING MEANS LINING THE INTERMEDIATE PORTION OF THE CHAMBER, SAID LINING MEANS BEING BONDED TO THE CHAMBER AND TO THE PROPELLANT, FIRST FLEXIBLE INSULATION MEANS BONDED TO THE CHAMBER IN THE FORWARD PORTION THEREOF, FIRST BOOT MEANS BONDED TO THE FIRST INSULATION MEANS, SECOND FLEXIBLE INSULATION MEANS BONDED TO THE AFT PORTION OF THE CHAMBER, AND SECOND BOOT MEANS BONDED TO THE SECOND INSULA-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |